h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 314

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 11 16-Bit Free-Running Timer (FRT)
Figure 11.1 shows a block diagram of the FRT.
Rev. 3.00 Mar 21, 2006 page 260 of 788
REJ09B0300-0300
Legend:
OCRA, OCRB
OCRAR,OCRAF
OCRDM
FRC
ICRA to D
External clock
FTCI
FTOA
FTOB
FTIA
FTIB
FTIC
FTID
Figure 11.1 Block Diagram of 16-Bit Free-Running Timer
: Output compare register A, B (16-bit)
: Output compare register AR, AF (16-bit)
: Output compare register DM (16-bit)
: Free-running counter (16-bit)
: Input capture registers A to D (16-bit)
Clock selector
Control logic
Compare-match B
Internal clock
Compare-match A
Compare-match M
Input capture
ICIA
ICIB
ICIC
ICID
OCIA
OCIB
FOVI
Overflow
Clock
Clear
Comparator M
/2
/8
/32
Interrupt signal
OCRAR/F (H/L)
Comparator A
Comparator B
OCRA (H/L)
OCRB (H/L)
ICRC (H/L)
ICRD (H/L)
ICRA (H/L)
ICRB (H/L)
OCRDM L
FRC (H/L)
TOCR
TCSR
TIER
TCR
TOCR
TCSR
TIER
TCR
1
2
: Timer control/status register (8-bit)
: Timer interrupt enable register (8-bit)
: Timer control register (8-bit)
: Timer output compare control register (8-bit)
Internal data bus